Behavior in electric fields of smart hydrogels with potential application as bio-inspired actuators

Seon Jeong Kim; Han Il Kim; Sang Jun Park; In Young Kim; Sang Hoon Lee; Tae Soo Lee; Sun I. Kim

doi:10.1088/0964-1726/14/4/008

Behavior in electric fields of smart hydrogels with potential application as bio-inspired actuators

Seon Jeong Kim, Han Il Kim, Sang Jun Park, In Young Kim, Sang Hoon Lee, Tae Soo Lee, Sun I. Kim

Department of Bio-convergence Engineering

Research output: Contribution to journal › Article › peer-review

65 Citations (Scopus)

Abstract

This study investigated the possibility of using hydrogels as artificial muscle. Hydrogels fully swollen in a 0.9 wt% aqueous NaCl solution were inserted between a pair of platinum electrodes and an electric field was applied. The PAAc/PV SA copolymer hydrogels exhibited electrically induced contraction with concomitant deformation. The contractile behavior increased with increasing time and intensity of the electrical stimulus. These deformations were sensitive to the electric field and hydrogels, when placed in an electrochemical cell, may allow the electrical activation of artificial muscle. These results highlight the potential of developing an electrically activated hydrogel for use as artificial muscle and muscle actuators.

Original language	English
Pages (from-to)	511-514
Number of pages	4
Journal	Smart Materials and Structures
Volume	14
Issue number	4
DOIs	https://doi.org/10.1088/0964-1726/14/4/008
Publication status	Published - 2005 Aug 1

ASJC Scopus subject areas

Signal Processing
Civil and Structural Engineering
Atomic and Molecular Physics, and Optics
Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Electrical and Electronic Engineering

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abstract = "This study investigated the possibility of using hydrogels as artificial muscle. Hydrogels fully swollen in a 0.9 wt% aqueous NaCl solution were inserted between a pair of platinum electrodes and an electric field was applied. The PAAc/PV SA copolymer hydrogels exhibited electrically induced contraction with concomitant deformation. The contractile behavior increased with increasing time and intensity of the electrical stimulus. These deformations were sensitive to the electric field and hydrogels, when placed in an electrochemical cell, may allow the electrical activation of artificial muscle. These results highlight the potential of developing an electrically activated hydrogel for use as artificial muscle and muscle actuators.",

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AU - Lee, Sang Hoon

AU - Lee, Tae Soo

AU - Kim, Sun I.

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Behavior in electric fields of smart hydrogels with potential application as bio-inspired actuators

Abstract

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